Name | 4,4,4',4'-tetramethyl-2,2'-spirobi[3H-chromene]-7,7'-diol |
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Synonyms |
S0383
4,4,4',4'-Tetramethyl-2,2'-spirobicromane-7,7'-diol Spirobicromane |
Density | 1.27g/cm3 |
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Boiling Point | 525.9ºC at 760 mmHg |
Melting Point | 200ºC |
Molecular Formula | C21H24O4 |
Molecular Weight | 340.41300 |
Flash Point | 271.9ºC |
Exact Mass | 340.16700 |
PSA | 58.92000 |
LogP | 4.61450 |
Index of Refraction | 1.637 |
HS Code | 2932999099 |
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~83% 3127-14-8 |
Literature: Livant, P.; Webb, T. R.; Xu, Weizheng Journal of Organic Chemistry, 1997 , vol. 62, # 3 p. 737 - 742 |
~19% 3127-14-8 |
Literature: Filimonov, Sergei I.; Savinsky, Nikolai G.; Evstigneeva, Elena M. Mendeleev Communications, 2003 , vol. 13, # 4 p. 194 - 197 |
HS Code | 2932999099 |
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Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |